/Engine/Source/Editor/UnrealEd/Public/Subsystems/EditorAssetSubsystem.h
Gets all TagValues (from Asset Registry) associated with an (unloaded) asset as strings value.
The list of all TagNames & TagValues.
[TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [FString](API\Runtime\Core\Containers\FString) > GetTagValues ( const [FString](API\Runtime\Core\Containers\FString) & AssetPath )